/Engine/Source/Runtime/MovieScene/Public/Evaluation/PreAnimatedState/MovieScenePreAnimatedStateStorage.h
Look at any entity with the specified component types, and set up new associations with storage indices for those entities, whilst also caching pre-animated values at the same time.
template<typename TaskType, typename... ContributorTypes> void BeginTrackingAndCachePreAnimatedValuesTask ( [UMovieSceneEntitySystemLinker](API\Runtime\MovieScene\EntitySystem\UMovieSceneEntitySystemLinker) * Linker, const TaskType & InParams, [TComponentTypeID](API\Runtime\MovieScene\EntitySystem\TComponentTypeID)< ContributorTypes >... InComponentTypes )